Place beans, salt, studded onion and garlic in Dutch oven. Simmer 1 hour.,Add thyme and oregano and cook 30 minutes.,Saute onion, pepper and garlic in oil until tender, but not brown.,Add beans with liquid and meat which has been browned.,______,Mash 1 cup bean mixture and return to pan.,Cook until sauce thickens.,Prepare rice.,Place in bowl and top with bean and tomato salsa.,Serve with sour cream and cornbread.,Garnish with orange slices.